Datasheet

Datasheet SHT21
www.sensirion.com Version 4 – May 2014 13/14
Revision History
Date
Version
Page(s)
Changes
6 May 2009
0.3
1 – 9
Initial preliminary release
21 January 2010
1.0
1 – 4, 7 – 10
Complete revision. For complete revision list please require respective document.
5 May 2010
1.1
1 – 12
Typical specification for temperature sensor. Elimination of errors. For detailed
information, please require complete change list at [e-mail].
9 May 2011
2
1 – 7, 10 –
13
Updated temperature accuracy specifications, MSL and standards. Elimination of
errors. For detailed information, please require complete change list at
[e-mail].
December 2011
3
1, 7-10
Tolerance of threshold value for low battery signal, minor text adaptations and
corrections.
May 2014
4
1-4, 7-8, 9-10
Sensor window dimension updated, several minor adjustments